438897 (2009 WN)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2215401764 ± 2.38e-08
Semi-major axis (a)1.3800720927 AU ± 1.72e-09
Inclination (i)32.78799951° ± 6.61e-06
Long. of Asc. Node (Ω)249.32824765° ± 3.81e-06
Arg. of Perihelion (ω)236.17749230° ± 9.96e-06
Mean Anomaly (M)282.41116775° ± 1.05e-05
Mean Motion (n)0.6079384549°/day ± 1.13e-09
Perihelion dist (q)1.07433068 AU ± 3.29e-08
Aphelion dist (Q)1.68581351 AU ± 3.29e-08
Orbital Period1.62125997 yr ± 3.02e-09
Physical Parameters
H (abs. magnitude)18.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.251″
Uncertainty0
Orbit TypeAmor
MOID0.173497 AU
Observations Used217
Oppositions9
Arc Total2002-2025
First Observation Used2002-06-21
Last Observation Used2025-12-02
Observations (258)
Date Type RA Dec Mag Band Observatory
2022-11-01 14:20:18 C 08 45 47.272 +16 03 33.74 U F52
2022-11-20 12:14:38 C 09 34 52.327 -07 36 58.64 V G96
2022-11-20 12:20:06 C 09 34 52.864 -07 37 17.44 V G96
2022-11-20 12:25:33 C 09 34 53.425 -07 37 36.26 V G96
2022-11-20 12:31:01 C 09 34 53.965 -07 37 55.24 V G96
2022-11-21 11:40:26 C 09 37 20.334 -08 57 54.25 V G96
2022-11-21 11:47:52 C 09 37 21.097 -08 58 19.63 V G96
2022-11-21 11:55:17 C 09 37 21.821 -08 58 45.26 V G96
2022-11-21 12:02:42 C 09 37 22.595 -08 59 11.33 V G96
2022-12-02 14:44:38 C 10 05 29.191 -24 19 03.39 U F52
2022-12-02 14:58:15 C 10 05 30.534 -24 19 48.40 U F52
2022-12-02 15:11:59 C 10 05 31.928 -24 20 34.52 U F52
2023-05-19 22:04:54 C 15 12 13.037 -42 40 48.11 V M22
2023-05-19 22:18:05 C 15 12 11.914 -42 40 08.94 V M22
2023-05-19 22:22:43 C 15 12 11.453 -42 39 54.86 V M22
2023-05-19 22:37:52 C 15 12 10.138 -42 39 09.25 V M22
2023-05-28 21:33:54 C 14 58 42.636 -32 01 31.19 V M22
2023-05-28 21:37:55 C 14 58 42.379 -32 01 19.06 V M22
2023-05-28 21:46:02 C 14 58 41.945 -32 00 55.94 V M22
2023-05-28 22:00:34 C 14 58 41.246 -32 00 13.50 V M22
2023-06-13 05:55:35 C 14 50 12.253 -16 55 34.75 V G96
2023-06-13 06:03:12 C 14 50 12.203 -16 55 20.06 V G96
2023-06-13 06:10:49 C 14 50 12.149 -16 55 04.84 V G96
2023-06-13 06:18:25 C 14 50 12.088 -16 54 50.08 V G96
2023-06-18 07:08:41 C 14 50 24.294 -13 15 51.37 X F51
2023-06-18 07:25:46 C 14 50 24.338 -13 15 23.21 X F51
2023-06-18 07:42:52 C 14 50 24.384 -13 14 54.95 X F51
2023-06-18 08:08:52 C 14 50 24.446 -13 14 11.92 X F51
2023-06-26 04:25:31 C 14 52 55.646 -08 46 09.91 V G96
2023-06-26 04:33:37 C 14 52 55.787 -08 45 59.98 V G96
2023-06-26 04:41:44 C 14 52 55.909 -08 45 49.93 V G96
2023-06-26 04:49:50 C 14 52 56.042 -08 45 39.92 V G96
2023-07-08 04:40:48 C 15 00 47.718 -04 12 36.04 V G96
2023-07-08 04:48:10 C 15 00 47.970 -04 12 30.49 V G96
2023-07-08 04:55:32 C 15 00 48.182 -04 12 25.42 V G96
2023-07-08 05:02:54 C 15 00 48.460 -04 12 20.41 V G96
2023-07-08 07:01:30 C 15 00 52.631 -04 10 53.17 X F51
2023-07-08 07:19:32 C 15 00 53.198 -04 10 40.19 X F51
2023-07-08 07:37:35 C 15 00 53.768 -04 10 27.28 X F51
2023-07-08 07:55:38 C 15 00 54.333 -04 10 14.35 X F51
2023-07-16 07:23:46 C 15 08 11.506 -02 16 13.38 X F51
2023-07-16 07:41:28 C 15 08 12.188 -02 16 04.76 X F51
2023-07-16 08:00:57 C 15 08 12.954 -02 15 55.39 X F51
2025-10-24 02:19:40 C 20 33 10.890 +39 40 13.60 V G96
2025-10-24 02:29:36 C 20 33 11.490 +39 40 02.40 V G96
2025-10-24 02:39:32 C 20 33 12.130 +39 39 52.10 V G96
2025-10-24 02:49:25 C 20 33 12.730 +39 39 40.90 V G96
2025-11-26 05:04:57 C 21 47 31.055 +25 25 56.38 X F52
2025-11-26 05:18:01 C 21 47 32.543 +25 25 42.95 X F52
2025-11-26 05:31:04 C 21 47 34.016 +25 25 29.61 X F52